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perf(net): borrow inbound packet storage

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Decode headers, optional fields, fragments, and single-fragment messages directly over pooled datagrams. Copy only fragment state that crosses a datagram lifetime, preserve synchronous dispatch and ACK ordering, and lock the path to the owned decoder with differential and zero-allocation tests.
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Erik 2026-07-25 05:58:55 +02:00
parent 7211bb1bf7
commit e928c5dd02
18 changed files with 1329 additions and 66 deletions
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docs/plans/2026-07-25-modern-runtime-slice-h.md
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@ -142,9 +142,10 @@ H-c is executed as three independently reversible units:
datagrams, unchanged blocking handshake cadence, and direct span sends.
Evidence:
[`../research/2026-07-25-slice-h-c1-pooled-receive-owner.md`](../research/2026-07-25-slice-h-c1-pooled-receive-owner.md).
2. **H-c2 — borrowed decode — ACTIVE.** Parse and verify headers, optional
2. **H-c2 — borrowed decode — COMPLETE.** Parse and verify headers, optional
fields, and fragments as borrowed views. Copy only multi-fragment state
that must survive the current datagram.
that must survive the current datagram. Evidence:
[`../research/2026-07-25-slice-h-c2-borrowed-packet-decode.md`](../research/2026-07-25-slice-h-c2-borrowed-packet-decode.md).
3. **H-c3 — direct outbound framing — PENDING.** Write packet and fragment
framing into caller storage and remove intermediate payload arrays.